Tool holder



FIG. 1 is a front elevational view of a tool holder showing my new design;

FIG. 2 is an end elevational view taken from the right of FIG. 1;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a perspective view thereof.

The tool holder is shown broken away to indicate indeterminate length. 

The ornamental design for a tool holder, substantially as shown and descrd. 